Model: T3021US Color: Copper (made of real copper).  The Nest Learning Thermostat is a smart thermostat that learns your schedule and programs itself to help save energy. You can control it from anywhere with the Nest app, and it works with Alexa and Google Assistant so you can adjust the temperature with your voice. And it’s beautifully designed, with a big, bright display and metal finishes to suit any home’s style. Learns the temperatures you like and programs itself Nest Renew makes it simple to support clean energy right from home. Control from anywhere with your phone or smart home device away It’s easy to install yourself. Nest Renew works with your compatible Nest thermostat to help you automatically prioritize usage to when energy is cleaner or less expensive. Farsight lights up to show you the temperature, weather, or time Beautiful design. Specifications: Supports Multi-Stage Heating.  Works with iOS.  Sub-Brand Nest UNSPSC 41112200. Supports Multi-Stage Cooling.  Works with Android.  Proximity Sensor.  Compatible with Humidifier/Dehumidifier.  Works with the Google Assistant.  Battery Type Lithium ion (Li-ion). Mounting Hardware Included.  Energy History. Learning 3rd Gen Smart Compatible Control Type Dial and touch screen Works with Amazon Alexa.  Safety Listing: cUL safety listing. Compatible with Gas Fuel Types.  Compatible with 24V. Heating Daylight Savings Time Ready.  Batteries Included.  Temporary Vacation Override.  Outdoor Weather Sensor.  Wi-Fi Compatibility. Hold Temperature Button.  Manufacturer Color/Finish: Copper. Remote Control Included.  Compatible with Electric. Works with Apple HomeKit.  Built-In Z-Wave. Display Type LCD. Compatible with Oil Fuel Types.  Compatible with 24V. Cooling App Compatibility.  Early-Start Comfort Function.  Backlit Display: Yes (motion activated). High/Low Desired Temperature Limits.  Package Contents: Display | Base | Optional Trim Kit | Mounting Screws and Labels | Lithium Ion Battery. Auto-Away Mode. Displays Weather Forecast.  ENERGY STAR Certified.  Bluetooth Compatibility. Filter Monitor.  Compatible with Aux/Emergency. Heat Pump. Works with SmartThings Room Sensor. Included Voice Control. Auto System Change from Heat to Cool Temperature. Displayed Current and setpoint/desired temperature.